Hollow fiber desalination membrane assembly and equipment for brackish water desalination

A brackish water desalination and desalination membrane technology, applied in the field of membrane separation, can solve problems such as poor stability, and achieve the effects of long service life, excellent water quality and low replacement cost

Inactive Publication Date: 2019-03-15
XINJIANG DELAND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The hollow fiber desalination membrane module and equipment for brackish water desalination of the present invention aim to solve the problem of poor stability of the desalination membrane module in the brackish water environment during service

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A hollow fiber desalination membrane module for brackish water desalination includes a pressure vessel and a desalination membrane unit in the pressure vessel; the pressure vessel is provided with a raw water inlet, a water production port and a concentrated water outlet; the desalination The membrane unit includes a membrane shell, and a hollow fiber membrane unit arranged in the membrane shell; the hollow fiber membrane unit includes a six-hole deflector, a central water production pipe, and is wound around the outer circumference of the central water production pipe. A plurality of desalination membrane filaments, and a water inlet end fixing layer and a water production end fixing layer for respectively fixing the two ends of the desalination membrane filaments. The six-hole deflector is arranged at the water inlet end of the membrane shell to guide the raw water into the hollow fiber membrane unit for desalination treatment. The membrane shell is an ABS membrane sh...

Embodiment 2

[0032] A hollow fiber desalination membrane module for brackish water desalination includes a pressure vessel and a desalination membrane unit in the pressure vessel; the pressure vessel is provided with a raw water inlet, a water production port and a concentrated water outlet; the desalination The membrane unit includes a membrane shell, and a hollow fiber membrane unit arranged in the membrane shell; the hollow fiber membrane unit includes a six-hole deflector, a central water production pipe, and is wound around the outer circumference of the central water production pipe. A plurality of desalination membrane filaments, and a water inlet end fixing layer and a water production end fixing layer for respectively fixing the two ends of the desalination membrane filaments. The six-hole deflector is arranged at the water inlet end of the membrane shell to guide the raw water into the hollow fiber membrane unit for desalination treatment. The membrane housing is an ABS membrane ...

Embodiment 3

[0045] A hollow fiber desalination membrane module for brackish water desalination includes a pressure vessel and a desalination membrane unit in the pressure vessel; the pressure vessel is provided with a raw water inlet, a water production port and a concentrated water outlet; the desalination The membrane unit includes a membrane shell, and a hollow fiber membrane unit arranged in the membrane shell; the hollow fiber membrane unit includes a six-hole deflector, a central water production pipe, and is wound around the outer circumference of the central water production pipe. A plurality of desalination membrane filaments, and a water inlet end fixing layer and a water production end fixing layer for respectively fixing the two ends of the desalination membrane filaments. The six-hole deflector is arranged at the water inlet end of the membrane shell to guide the raw water into the hollow fiber membrane unit for desalination treatment. The membrane shell is a UPVC membrane sh...

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Abstract

The invention discloses a hollow fiber desalination membrane assembly and equipment for brackish water desalination. The hollow fiber desalination membrane assembly comprises a pressure container anda desalination membrane unit arranged in the pressure container, wherein the desalination membrane unit comprises a membrane casing and a hollow fiber membrane unit arranged in the membrane casing; the hollow fiber membrane unit comprises a six-hole guide plate, a central water producing pipe, multiple desalination membrane wires winding around the peripheral side of the central water producing pipe as well as a water inlet end fixing layer and a water producing end fixing layer which are fixed at the two ends of the desalination membrane wires respectively; a water inlet, a water producing port and a concentrated water port are formed in the hollow fiber desalination membrane assembly. The hollow fiber desalination membrane assembly for the brackish water desalination is applicable to a technological system of the brackish water desalination, has higher anti-pollution capacity and longer service life, is good in service stability, long in service period and low in operating cost.

Description

technical field [0001] The invention belongs to the technical field of membrane separation, and in particular relates to a hollow fiber desalination membrane module and equipment for desalination of brackish water. Background technique [0002] In recent years, membrane technology has been widely used in water treatment process. For example, microporous filtration (MF) membranes or ultrafiltration membranes (UF) are used for water treatment in water purification plants, and reverse osmosis membranes are used for desalination of seawater. Membrane desalination technology has become the most widely used desalination treatment technology, which has the following advantages: 1. There is no phase change, and there is no need to heat the water quality and use instruments during the actual operation, which simplifies the operation steps and enhances the actual operation. use value. 2. Less energy consumption. 3. Small footprint, simple operation and strong adaptability. 4. No p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D63/02C02F1/44C02F103/08
CPCB01D63/02B01D2317/02B01D2317/06C02F1/44C02F2103/08C02F2201/002C02F2301/06C02F2301/08Y02A20/131
Inventor 曾凡付李敏婷晁燕钱铖许白羽
Owner XINJIANG DELAND
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